“basic motion-time study”的概念、定义、翻译、参考文献-科学参考

单词	basic motion-time study
释义	basic motion-time study [`bā·sik `mō·shǝn `tīm ´stǝd·ē] ^{INDUSTRIAL ENGINEERING} A system of predetermined motion- time standards for basic motions. Abbreviated BMT study.
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